<?php
declare(strict_types=1);

namespace WPMultiCity\Tests;

use WPMultiCity\Redirect;

final class RedirectTest extends TestCase
{
    public function test_register_attaches_template_redirect_at_priority_1(): void
    {
        Redirect::register();

        self::assertSame(
            1,
            has_action('template_redirect', [Redirect::class, 'handle']),
            'Redirect::register() must hook template_redirect at priority 1'
        );
    }

    public function test_bail_when_is_admin(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(true);
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_not_404(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(false);
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_main_town_slug_null(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return null;
            return false;
        });
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_request_uri_root(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/';
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();
        \Brain\Monkey\Functions\expect('get_posts')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_no_post_with_slug(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([]);
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_post_not_in_page_unic(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 11, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/orphan-slug/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 999],
        ]);
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_page_unic_empty(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return null;
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84],
        ]);
        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_bail_when_matched_town_is_main(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 10, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-spb/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84],
        ]);

        $term = new \WP_Term();
        $term->term_id = 10;
        $term->slug = 'spb';
        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);

        \Brain\Monkey\Functions\expect('wp_safe_redirect')->never();

        Redirect::handle();

        self::assertTrue(true);
    }

    public function test_redirect_for_private_clone(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 11, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84, 'post_status' => 'private'],
        ]);

        $term = new \WP_Term();
        $term->term_id = 11;
        $term->slug = 'tyumen';
        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);

        \Brain\Monkey\Functions\when('get_permalink')->justReturn('https://site.com/tarif/');

        \Brain\Monkey\Functions\expect('wp_safe_redirect')
            ->once()
            ->with('/tyumen/tarif/', 301)
            ->andThrow(new \RuntimeException('redirect-called'));

        try {
            Redirect::handle();
            self::fail('Expected redirect to be issued');
        } catch (\RuntimeException $e) {
            self::assertSame('redirect-called', $e->getMessage());
        }
    }

    public function test_redirect_for_published_clone_with_own_url(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 11, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84, 'post_status' => 'publish'],
        ]);

        $term = new \WP_Term();
        $term->term_id = 11;
        $term->slug = 'tyumen';
        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);

        \Brain\Monkey\Functions\when('get_permalink')->justReturn('https://site.com/tarif/');

        \Brain\Monkey\Functions\expect('wp_safe_redirect')
            ->once()
            ->with('/tyumen/tarif/', 301)
            ->andThrow(new \RuntimeException('redirect-called'));

        try {
            Redirect::handle();
            self::fail('Expected redirect to be issued');
        } catch (\RuntimeException $e) {
            self::assertSame('redirect-called', $e->getMessage());
        }
    }

    public function test_redirect_strips_domain_from_get_permalink(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 11, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84],
        ]);

        $term = new \WP_Term();
        $term->term_id = 11;
        $term->slug = 'tyumen';
        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);

        \Brain\Monkey\Functions\when('get_permalink')->justReturn('https://site.com/tarif/');

        \Brain\Monkey\Functions\expect('wp_safe_redirect')
            ->once()
            ->with('/tyumen/tarif/', 301)
            ->andThrow(new \RuntimeException('redirect-called'));

        try {
            Redirect::handle();
            self::fail('Expected redirect to be issued');
        } catch (\RuntimeException $e) {
            self::assertSame('redirect-called', $e->getMessage());
        }
    }

    public function test_get_permalink_called_inside_without_url_filters(): void
    {
        \Brain\Monkey\Functions\stubs(['did_action' => 1]);
        \Brain\Monkey\Functions\when('is_admin')->justReturn(false);
        \Brain\Monkey\Functions\when('is_404')->justReturn(true);
        \Brain\Monkey\Functions\when('get_field')->alias(function ($name) {
            if ($name === 'main_town_slug') return 'spb';
            if ($name === 'page_unic') return [
                ['town' => 11, 'page_old' => 42, 'page_new' => 84],
            ];
            return false;
        });
        $_SERVER['REQUEST_URI'] = '/tarif-tyumen/';
        \Brain\Monkey\Functions\when('get_posts')->justReturn([
            (object) ['ID' => 84],
        ]);

        $term = new \WP_Term();
        $term->term_id = 11;
        $term->slug = 'tyumen';
        \Brain\Monkey\Functions\when('get_term_by')->justReturn($term);

        $depth_during_call = -1;
        \Brain\Monkey\Functions\when('get_permalink')->alias(
            function () use (&$depth_during_call) {
                $depth_during_call = \WPMultiCity\Helpers::is_bypassed() ? 1 : 0;
                return 'https://site.com/tarif/';
            }
        );

        \Brain\Monkey\Functions\expect('wp_safe_redirect')
            ->once()
            ->andThrow(new \RuntimeException('redirect-called'));

        try {
            Redirect::handle();
        } catch (\RuntimeException $e) {
            // expected
        }

        self::assertSame(
            1,
            $depth_during_call,
            'get_permalink must be wrapped in Helpers::without_url_filters'
        );
        self::assertFalse(
            \WPMultiCity\Helpers::is_bypassed(),
            'bypass depth must be restored to 0 after handle()'
        );
    }

}